<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category    ZendX
 * @package     ZendX_JQuery
 * @subpackage  View
 * @copyright   Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
 * @license     http://framework.zend.com/license/new-bsd     New BSD License
 * @version     $Id: TabContainer.php 14483 2009-03-25 17:48:17Z beberlei $
 */

/**
 * @see ZendX_JQuery_View_Helper_UiWidget
 */
require_once "ZendX/JQuery/View/Helper/UiWidget.php";

/**
 * jQuery Tabs Container View Helper
 *
 * @uses 	   Zend_Json
 * @package    ZendX_JQuery
 * @subpackage View
 * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class ZendX_JQuery_View_Helper_TabContainer extends ZendX_JQuery_View_Helper_UiWidget
{
	/**
	 * Save all the pre-rendered tab panes to each tab container
	 *
	 * @var array
	 */
	protected $_tabs = array();

	/**
	 * Add Tab to TabsContainer
	 *
	 * @param  string $id
	 * @param  string $name
	 * @param  string $content
	 * @param  array  $options
	 * @return ZendX_JQuery_View_Helper_TabsContainer
	 */
	public function addPane($id, $name, $content, array $options=array())
	{
		if(!isset($this->_tabs[$id])) {
			$this->_tabs[$id] = array();
		}
		if(strlen($name) == 0 && isset($options['title'])) {
			$name = $options['title'];
		}

		$this->_tabs[$id][] = array('name' => $name, 'content' => $content, 'options' => $options);
		return $this;
	}

	/**
	 * Render TabsContainer with all the currently registered tabs.
	 *
	 * Render all tabs to the given $id. If no arguments are given the
	 * tabsContainer view helper object is returned and can be used
	 * for chaining {@link addPane()} for tab pane adding.
	 *
	 * @link   http://docs.jquery.com/UI/Tabs
	 * @param  string $id
	 * @param  array  $params
	 * @param  array  $attribs
	 * @return string|ZendX_JQuery_View_Helper_TabsContainer
	 */
	public function tabContainer($id=null, $params=array(), $attribs=array())
	{
		if(func_num_args() === 0) {
			return $this;
		}

		if(!isset($attribs['id'])) {
			$attribs['id'] = $id;
		}

		$content = "";
		if(isset($this->_tabs[$id])) {
			$list = '<ul class="ui-tabs-nav">'.PHP_EOL;
			$html = '';
			$fragment_counter = 1;
			foreach($this->_tabs[$id] AS $k => $v) {
				$frag_name = sprintf('%s-frag-%d', $attribs['id'], $fragment_counter++);
				$opts = $v['options'];
				if(isset($opts['contentUrl'])) {
					$list .= '<li class="ui-tabs-nav-item"><a href="'.$opts['contentUrl'].'"><span>'.$v['name'].'</span></a></li>'.PHP_EOL;
				} else {
					$list .= '<li class="ui-tabs-nav-item"><a href="#'.$frag_name.'"><span>'.$v['name'].'</span></a></li>'.PHP_EOL;
					$html .= '<div id="'.$frag_name.'" class="ui-tabs-panel">'.$v['content'].'</div>'.PHP_EOL;
				}
			}
			$list .= '</ul>'.PHP_EOL;

			$content = $list.$html;
			unset($this->_tabs[$id]);
		}

		if(count($params)) {
			$params = ZendX_JQuery::encodeJson($params);
		} else {
			$params = '{}';
		}

		$js = sprintf('%s("#%s").tabs(%s);',
		ZendX_JQuery_View_Helper_JQuery::getJQueryHandler(),
		$attribs['id'],
		$params
		);
		$this->jquery->addOnLoad($js);

		$html = '<div'
		. $this->_htmlAttribs($attribs)
		. '>'.PHP_EOL
		. $content
		. '</div>'.PHP_EOL;
		return $html;
	}
}